{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "RNA", "cell type", "protein", "DNA"], "input": "To elucidate the mechanism of GM-CSF gene activation , we have purified the inducible factor NF-GM2 from the nuclear extract of stimulated Jurkat cells on the basis of specific DNA-binding activity ."}
{"cell line": ["Jurkat cells"], "RNA": [], "cell type": [], "protein": ["GM-CSF", "inducible factor NF-GM2"], "DNA": []}